Home / 14,618.68-20,172.56-8,244.92

Finding the Fourth Proportional to 14,618.68, 20,172.56 and 8,244.92

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Solution

The fourth proportional to 14,618.68, 20,172.56 and 8,244.92 is: 11,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.68 : 20,172.56 = 8,244.92 : x
  2. Step 2: Convert to fraction form
    14,618.68/20,172.56 = 8,244.92/x
  3. Step 3: Cross multiply
    14,618.68x = 20,172.56 × 8,244.92
  4. Step 4: Simplify right side
    14,618.68x = 166,321,143.40
  5. Step 5: Solve for x
    x = 166,321,143.40/14,618.68
  6. Step 6: Final answer
    x = 11,377.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.